Ruling · Caitrī Pūrṇimā · 2052

Saturday 13 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 85 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 13 April

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Sunday 14 April

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

0 of 48 minutes covered

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 08:23 on Sat 13 Apr to 10:29 on Sun 14 Apr.

    2052-04-13T00:23:26Z → 2052-04-14T02:29:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 13th, 11:55–12:43 on the 14th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 5121 s

  5. 05

    Ruling

    Caitrī Pūrṇimā, Baoding, 2052: Saturday 13 April.

    confidence: determinate

Say it like this

In Baoding, Caitrī Pūrṇimā 2052 falls on Saturday 13 April. Pūrṇimā runs from 08:23 on Sat 13 Apr to 10:29 on Sun 14 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2052/chaitri-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 13 Apr
compat-drikpanchangComparison profileSat 13 Apr
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/chaitri-purnima · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles17:23 → 19:2912:3048 min12:290 min13 Apr
Chicago19:23 → 21:2912:2748 min12:270 min13 Apr
Jersey City20:23 → 22:2912:3348 min12:330 min13 Apr
Port of Spain20:23 → 22:2911:4348 min11:420 min13 Apr
London01:23 → 03:2912:3748 min12:370 min13 Apr
Durban02:23 → 04:2911:3248 min11:320 min13 Apr
Dubai04:23 → 06:2911:5548 min11:550 min13 Apr
Delhi05:53 → 07:5911:5848 min11:580 min13 Apr
Kolkata05:53 → 07:5911:1348 min11:130 min13 Apr
Singapore08:23 → 10:2912:4148 min12:410 min13 Apr
Sydney10:23 → 12:2911:3148 min11:3148 min14 Apr
Suva12:23 → 14:2911:437 min11:4248 min14 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
chaitri-purnima@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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